CVE-2018-19508 : Security Advisory and Response

CMSimple 4.7.5 is vulnerable to XSS through the upload of an SVG file by an admin, potentially leading to security risks.

Understanding CVE-2018-19508

An XSS vulnerability in CMSimple 4.7.5 allows an admin to upload an SVG file to a specific URI, posing security threats.

What is CVE-2018-19508?

This CVE identifies an XSS vulnerability in CMSimple 4.7.5, enabling an admin to upload an SVG file to a particular URI, creating security vulnerabilities.

The Impact of CVE-2018-19508

The vulnerability in CMSimple 4.7.5 can be exploited by an admin uploading an SVG file, potentially leading to security risks and unauthorized access.

Technical Details of CVE-2018-19508

CMSimple 4.7.5 is susceptible to XSS through the upload of SVG files by admins, posing security risks.

Vulnerability Description

An XSS vulnerability in CMSimple 4.7.5 allows admins to upload SVG files to a specific URI, opening the door to security threats.

Affected Systems and Versions

Product: CMSimple 4.7.5
Vendor: N/A
Version: N/A

Exploitation Mechanism

The vulnerability arises when an admin uploads an SVG file to the "?userfiles&subdir=userfiles/images/flags/" URI in CMSimple 4.7.5, potentially leading to security risks.

Mitigation and Prevention

Steps to address and prevent the CVE-2018-19508 vulnerability in CMSimple 4.7.5.

Immediate Steps to Take

Disable file uploads in CMSimple until a patch is available.
Regularly monitor and review uploaded files for suspicious content.

Long-Term Security Practices

Implement input validation for file uploads to prevent malicious files.
Educate admins on secure file upload practices and potential risks.

Patching and Updates

Apply the latest patches and updates provided by CMSimple to address the XSS vulnerability.